I have used 8 sheets of Donic Sonex JP Gold on both forehand and backhand. Each sheet used to last me for 6-7 months on regular play of 2 hours / 5 days a week. However, the performance of rubber used to decrease after 4-5 months and needs regluing to revive it back. It is a light-weight do it all rubber which is not too fast. For players who are learning the sport or who need a forgiving rubber, this would work well on both F/H and B/H. Its not too sensitive to incoming spin so it makes service receive easy. Also, it can generate really nice arcs on loops against backspin. It provides medium-high throw so looping underspin becomes relatively easy. Suitable for close to the table to mid-distance offensive-allround players.